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2021-01-25 00:20:56
johan pettersson被授予搞笑化学奖,以表彰其揭示了瑞典小城andersl?v居民的头发会变绿的原因,因为这里的水中含铜量太大。
2021-02-02 00:20:56
6月28日
2021-02-02 00:20:56
i’m not saying you should blindly accept everything that’s offered to you, it’s okay to take time when considering the pros and cons of an opportunity. but, when you find yourself leaning toward “no,” you owe it to yourself to be sure that you’re turning down the opportunity for a valid reason, not just out of fear.
2021-01-26 00:20:56
2011年诺贝尔和平奖被授予利比利亚总统埃伦.约翰逊.瑟利夫,利比利亚和平活动人士蕾曼.格鲍伊和也门妇女权利倡导者塔瓦库尔.卡门。
2021-02-02 00:20:56
年龄:46
2021-01-31 00:20:56
but what will politicians actually do while president trump is focused on bringing back traditional manufacturing jobs to america, different us states are experimenting with other policies to help low-paid precarious workers. these range from sharply higher minimum wages to new rules to stop employers changing staff schedules at the last minute.
2021-01-30 00:20:56
and despite exports having fallen 7.3 per cent during the same period.
2021-01-24 00:20:56
the us and european steel industries have accused china’s heavily subsidised sector of flooding the global market with steel, “dumping” it by selling below production costs and driving down international prices. the collapse in steel prices in recent years has caused the closure of mills across the world from australia to the uk and parts of the us industrial heartland.
2021-01-26 00:20:56
but researchers this year came up with a new method that makes flexible, realistic ears out of real cells. those cells come from rats and cows, and they form a collagen gel that can take the shape of any mold. when placed in a mold of a human ear—a mold assembled using a 3-d printer—the gel forms an ear in less than an hour. the artificial ear then just needs a few days growing in nutrients before it's ready to be implanted in a subject.
2021-01-31 00:20:56
v. 加强,变坚固